Right off the bat, let me apologize if this is a "newbie" question. I have
read the Imail guide, the help for M$ DNS server, and many articles,emails
on the subject but it still eludes me.
We have a registered domain - marlinfirearms.com and our website is hosted
by an ISP. We have a DSL connection to the internet with a fixed IP address
of 64.252.XX.XX. There is an MX record at the ISP that routes mail for
marlinfirearms.com to the 64.252.XX.XX address which then gets routed to our
IMail server which has an IP address of 192.168.1.2. We have been getting
some messages in the log regarding "unable to relay for" and email for a
couple of domains don't go through. Most email is going out fine! I
searched the knowledge base (like a good boy so I wouldn't bug you with
questions whose answers are readily available) and it seems that I need a
PTR record in DNS so that these mail servers that we can't send to will find
mail.marlinfirearms.com when they do a reverse DNS lookup on 64.252.XX.XX
and that will match what our Imail server name is when we try to talk to
them. Am I right, kinda right, way off track? If I'm in the right
ballpark, do I set that up on our DNS server in house or do I need our DSL
provider to set it up on their DNS server? If I'm way off base, can anyone
help point me in the right direction? I consider myself fairly intelligent
(doesn't everyone?) but this DNS stuff has my head spinning! Any help is
very much appreciated and sorry for the long post. TIA.
Ed Chabot
The Marlin Firearms Company
100 Kenna Drive
North Haven, CT 06473
(203)985-3254
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